US3230618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal fabrication
Assignee: Olin Corp
•
Filing: 1964-09-21
•
Granted: 1966-01-25
•
Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Emery I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:33
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49348; Y10T29/4981
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
143 words
A METHOD OF MAKING A SHEET-LIKE POROUS METAL STRUCTURE COMPRISING SUPERINPOSING ON A FACE OF AN IMPERVIOUS SHEET METAL MEMBER A FIRST MASS CONSISTING OF AN EVANESCENT MATERIAL WITH SAID MASS EXTENDING IN A PATTERN CORRESPONDING TO A DESIRED FLUID PASSAGEWAY SYSTEM, SUPERIMPOSING ON SAID FIRST MASS AND ON A SECOND PORTION OF SAID FACE A SECOND MASS CONSISTING ESSENTIALLY OF PARTICULATE METAL AGGREGATE ADAPTED TO BE SINTERED TOGETHER TO FORM A POROUS METAL BODY WITH SAID SECOND MASS BEING DISPOSED ON SAID SHEET TO EMBED SAID FIRST MASS INTO SAID SECOND MASS, SINTERING SAID SECOND MASS OF METAL AGGREGATE TO METALLURGICALLY BOND THE CONTACTING METAL SURFACES OF SAID AGGREGATE TO FORM SAID POROUS BODY METALLURGICALLY BONDED TO SAID SECOND PORTION OF SAID FACE, AND ELIMINATING SAID EVANESCENT MATERIAL TO THEREBY FORM FLUID CHANNELS BETWEEN SAID POROUS BODY AND SAID SHEET METAL MEMBER.
Claim 2
Independent Claim
143 words
A METHOD OF MAKING A SHEET-LIKE POROUS METAL STRUCTURE COMPRISING SUPERINPOSING ON A FACE OF AN IMPERVIOUS SHEET METAL MEMBER A FIRST MASS CONSISTING OF AN EVANESCENT MATERIAL WITH SAID MASS EXTENDING IN A PATTERN CORRESPONDING TO A DESIRED FLUID PASSAGEWAY SYSTEM, SUPERIMPOSING ON SAID FIRST MASS AND ON A SECOND PORTION OF SAID FACE A SECOND MASS CONSISTING ESSENTIALLY OF PARTICULATE METAL AGGREGATE ADAPTED TO BE SINTERED TOGETHER TO FORM A POROUS METAL BODY WITH SAID SECOND MASS BEING DISPOSED ON SAID SHEET TO EMBED SAID FIRST MASS INTO SAID SECOND MASS, SINTERING SAID SECOND MASS OF METAL AGGREGATE TO METALLURGICALLY BOND THE CONTACTING METAL SURFACES OF SAID AGGREGATE TO FORM SAID POROUS BODY METALLURGICALLY BONDED TO SAID SECOND PORTION OF SAID FACE, AND ELIMINATING SAID EVANESCENT MATERIAL TO THEREBY FORM FLUID CHANNELS BETWEEN SAID POROUS BODY AND SAID SHEET METAL MEMBER.
Claim 3
Dependent Claim
15 words
THE METHOD OF CLAIM 1 WHEREIN SAID IMPERVIOUS SHEET METAL MEMBER IS OF TUBULAR CROSS-SECTION.
References Cited (Backward Citations)
US2239800A
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US2309018A
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US2490549A
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US2695230A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |